CVE-2026-43575

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-06. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the interactive browser session.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
32.6%
KEV
Not listed

Published

May 6, 2026

Last Modified

May 7, 2026

Advisory Details (3)

Auto-updated May 9, 2026
Patch available. Sources: github.
generic

OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route | Advisories | VulnCheck

https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-sandbox-novnc-helper-route
github Patch Available

Sandbox noVNC helper route exposed interactive browser session credentials · Advisory · openclaw/openclaw · GitHub

https://github.com/openclaw/openclaw/security/advisories/GHSA-92jp-89mq-4374
generic

fix(browser): gate sandbox noVNC helper auth · openclaw/openclaw@8dfbf32 · GitHub

https://github.com/openclaw/openclaw/commit/8dfbf3268bd224b7377d1ecca77a445100746085

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
openclaw—2026.4.10—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 163 total refreshes for this CVE.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:14 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-21 15:24 UTCEPSS rescore
  5. 2026-07-20 17:08 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 02:29 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-16 17:03 UTCEPSS rescore
  10. 2026-07-15 16:57 UTCEPSS rescore
  11. 2026-07-15 14:19 UTCOSV refresh
  12. 2026-07-15 02:00 UTCEPSS rescore
  13. 2026-07-13 22:30 UTCEPSS rescore
  14. 2026-07-13 06:13 UTCEPSS rescore
  15. 2026-07-12 05:46 UTCEPSS rescore
  16. 2026-07-11 08:27 UTCEPSS rescore
  17. 2026-07-09 19:10 UTCEPSS rescore
  18. 2026-07-08 15:16 UTCEPSS rescore
  19. 2026-07-07 13:46 UTCEPSS rescore
  20. 2026-07-06 16:27 UTCEPSS rescore
  21. 2026-07-06 02:23 UTCEPSS rescore
  22. 2026-07-05 02:30 UTCEPSS rescore
  23. 2026-07-04 06:31 UTCEPSS rescore
  24. 2026-07-01 15:07 UTCEPSS rescore
  25. 2026-06-30 23:22 UTCEPSS rescore
Show 75 more
  1. 2026-06-29 14:06 UTCEPSS rescore
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 14:46 UTCGHSA enrichment
  5. 2026-06-27 03:08 UTCEPSS rescore
  6. 2026-06-26 23:08 UTCGHSA enrichment
  7. 2026-06-25 13:49 UTCEPSS rescore
  8. 2026-06-25 13:49 UTCEPSS rescore
  9. 2026-06-24 14:05 UTCEPSS rescore
  10. 2026-06-23 21:33 UTCEPSS rescore
  11. 2026-06-22 14:25 UTCEPSS rescore
  12. 2026-06-22 14:25 UTCEPSS rescore
  13. 2026-06-21 14:56 UTCEPSS rescore
  14. 2026-06-21 14:56 UTCEPSS rescore
  15. 2026-06-21 01:59 UTCEPSS rescore
  16. 2026-06-19 19:25 UTCEPSS rescore
  17. 2026-06-18 17:52 UTCEPSS rescore
  18. 2026-06-18 17:52 UTCEPSS rescore
  19. 2026-06-17 17:53 UTCEPSS rescore
  20. 2026-06-16 17:52 UTCEPSS rescore
  21. 2026-06-15 17:49 UTCEPSS rescore
  22. 2026-06-15 04:17 UTCGHSA enrichment
  23. 2026-06-15 00:13 UTCGHSA enrichment
  24. 2026-06-14 20:04 UTCGHSA enrichment
  25. 2026-06-14 15:55 UTCGHSA enrichment
  26. 2026-06-14 11:23 UTCGHSA enrichment
  27. 2026-06-14 07:17 UTCGHSA enrichment
  28. 2026-06-13 23:00 UTCEPSS rescore
  29. 2026-06-12 23:12 UTCEPSS rescore
  30. 2026-06-12 23:12 UTCEPSS rescore
  31. 2026-06-12 22:52 UTCGHSA enrichment
  32. 2026-06-12 09:47 UTCGHSA enrichment
  33. 2026-06-12 05:32 UTCGHSA enrichment
  34. 2026-06-12 01:28 UTCGHSA enrichment
  35. 2026-06-11 21:23 UTCGHSA enrichment
  36. 2026-06-11 17:19 UTCGHSA enrichment
  37. 2026-06-11 14:00 UTCEPSS rescore
  38. 2026-06-11 13:14 UTCGHSA enrichment
  39. 2026-06-11 09:06 UTCGHSA enrichment
  40. 2026-06-11 05:01 UTCGHSA enrichment
  41. 2026-06-11 00:56 UTCGHSA enrichment
  42. 2026-06-10 22:18 UTCEPSS rescore
  43. 2026-06-10 19:36 UTCGHSA enrichment
  44. 2026-06-10 15:32 UTCGHSA enrichment
  45. 2026-06-10 13:22 UTCEPSS rescore
  46. 2026-06-10 13:22 UTCEPSS rescore
  47. 2026-06-10 11:27 UTCGHSA enrichment
  48. 2026-06-10 07:23 UTCGHSA enrichment
  49. 2026-06-10 03:01 UTCGHSA enrichment
  50. 2026-06-09 22:57 UTCGHSA enrichment
  51. 2026-06-09 18:47 UTCGHSA enrichment
  52. 2026-06-09 14:43 UTCGHSA enrichment
  53. 2026-06-09 10:38 UTCGHSA enrichment
  54. 2026-06-09 06:34 UTCGHSA enrichment
  55. 2026-06-09 02:29 UTCGHSA enrichment
  56. 2026-06-08 22:03 UTCGHSA enrichment
  57. 2026-06-08 14:17 UTCEPSS rescore
  58. 2026-06-08 14:17 UTCEPSS rescore
  59. 2026-06-08 12:50 UTCGHSA enrichment
  60. 2026-06-08 08:46 UTCGHSA enrichment
  61. 2026-06-08 04:41 UTCGHSA enrichment
  62. 2026-06-08 00:36 UTCGHSA enrichment
  63. 2026-06-07 20:32 UTCGHSA enrichment
  64. 2026-06-07 16:27 UTCGHSA enrichment
  65. 2026-06-07 15:25 UTCEPSS rescore
  66. 2026-06-07 15:25 UTCEPSS rescore
  67. 2026-06-07 12:22 UTCGHSA enrichment
  68. 2026-06-07 08:18 UTCGHSA enrichment
  69. 2026-06-07 04:14 UTCGHSA enrichment
  70. 2026-06-07 00:09 UTCGHSA enrichment
  71. 2026-06-06 20:04 UTCGHSA enrichment
  72. 2026-06-06 15:59 UTCGHSA enrichment
  73. 2026-06-06 13:47 UTCEPSS rescore
  74. 2026-06-06 13:47 UTCEPSS rescore
  75. 2026-06-06 11:54 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-43575?
CVE-2026-43575 is a critical vulnerability published on May 6, 2026. OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the…
When was CVE-2026-43575 disclosed?
CVE-2026-43575 was first published in the National Vulnerability Database on May 6, 2026, with the most recent update on May 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43575 actively exploited?
CVE-2026-43575 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-43575?
CVE-2026-43575 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-43575?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43575, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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